'''Senator Foster''' may refer to:
==Members of the United States Senate== * Addison G. Foster (1837–1917), U.S. Senator from Washington from 1899 to 1905 * Dwight Foster (politician, born 1757) (1757–1823), U.S. Senator from Massachusetts from 1800 to 1803 * Ephraim H. Foster (1794–1854), U.S. Senator from Tennessee from 1838 to 1839 and from 1843 to 1845 * Henry A. Foster (1800–1889), U.S. Senator from New York from 1844 to 1845 * Lafayette S. Foster (1806–1880), U.S. Senator from Connecticut from 1855 to 1867 * Murphy J. Foster (1849–1921), U.S. Senator from Louisiana from 1901 to 1913 * Theodore Foster (1752–1828), U.S. Senator from Rhode Island from 1790 to 1803
==U.S. state senate members== * Abiel Foster (1735–1806), New Hampshire State Senate * Bill I. Foster (born 1946), Missouri State Senate * Cassius Gaius Foster (1837–1899), Kansas State Senate * Dan Foster (politician) (born 1948), West Virginia State Senate * David J. Foster (1857–1912), Vermont State Senate * Harry C. Foster (1871–1917), Massachusetts State Senate * Ira Roe Foster (1811–1885), Georgia State Senate and Alabama State Senate * James H. Foster (1827–1907), Wisconsin State Senate * Joseph Foster (politician) (born 1959), New Hampshire State Senate * Joyce Foster (born 1944), Colorado State Senate * Mike Foster (American politician) (born 1930), Louisiana State Senate * Nathaniel Greene Foster (1809–1869), Georgia State Senate * Paulinus Foster (1811–1861), Maine State Senate * Reuben Foster (politician) (1833–1898), Maine State Senate * Robert Coleman Foster (1769–1844), Tennessee State Senate * Stephen Clark Foster (Maine politician) (1799–1872), Maine State Senate * Stephen Clark Foster (1822–1898), California State Senate * Wilder D. Foster (1819–1873), Michigan State Senate * William Foster (New York state senator) (1813–1893), New York State Senate
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